{
 "ocl_version": "0.1.0",
 "name": "Chemin de la Teinture",
 "slug": "chemin-de-la-teinture-2",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 31.296637590287446,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 182.0,
   "end_distance_m": 184.0,
   "start_elevation_m": 1463.5436870881322,
   "end_elevation_m": 1464.169619839938,
   "min_gradient_pct": 0.31232881606229057,
   "suppressed_max_gradient_pct": 79.65441209529445,
   "suppressed_location_m": [
    202.0,
    204.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 30.282123694496477,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 182.0,
   "end_distance_m": 185.0,
   "start_elevation_m": 1463.5436870881322,
   "end_elevation_m": 1464.452150798967,
   "min_gradient_pct": 0.623623795278642,
   "suppressed_max_gradient_pct": 79.91525687016292,
   "suppressed_location_m": [
    200.0,
    203.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 28.86996076686046,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 181.0,
   "end_distance_m": 186.0,
   "start_elevation_m": 1463.2712363525666,
   "end_elevation_m": 1464.7147343909096,
   "min_gradient_pct": 1.206017781682931,
   "suppressed_max_gradient_pct": 69.62482009395444,
   "suppressed_location_m": [
    200.0,
    205.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 26.831520469252155,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 182.0,
   "end_distance_m": 192.0,
   "start_elevation_m": 1463.5436870881322,
   "end_elevation_m": 1466.2268391350574,
   "min_gradient_pct": 2.37222035840432,
   "suppressed_max_gradient_pct": 43.053236387884226,
   "suppressed_location_m": [
    200.0,
    210.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 23.243755159152215,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 153.0,
   "end_distance_m": 173.0,
   "start_elevation_m": 1457.458704027614,
   "end_elevation_m": 1462.1074550594444,
   "min_gradient_pct": 3.166309576442927,
   "suppressed_max_gradient_pct": 32.10955280381995,
   "suppressed_location_m": [
    185.0,
    205.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 22.82770592509587,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 149.0,
   "end_distance_m": 174.0,
   "start_elevation_m": 1456.6178014163013,
   "end_elevation_m": 1462.3247278975753,
   "min_gradient_pct": 3.2559039493617092,
   "suppressed_max_gradient_pct": 31.27673033039173,
   "suppressed_location_m": [
    180.0,
    205.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 22.098133530786072,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 145.0,
   "end_distance_m": 195.0,
   "start_elevation_m": 1455.8293869172262,
   "end_elevation_m": 1466.8784536826192,
   "min_gradient_pct": 6.759322058554972,
   "suppressed_max_gradient_pct": 26.007334233530855,
   "suppressed_location_m": [
    155.0,
    205.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 20.718006242464753,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 94.0,
   "end_distance_m": 194.0,
   "start_elevation_m": 1445.9664736718864,
   "end_elevation_m": 1466.6844799143512,
   "min_gradient_pct": 12.469289480544376,
   "suppressed_max_gradient_pct": 22.872027114302455,
   "suppressed_location_m": [
    108.0,
    208.0
   ]
  }
 ],
 "shape": {
  "ascent_concentration": 0.368,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 176.0,
  "shape_class": "sustained"
 },
 "length_m": 211.87400836604732,
 "start_elevation_m": 1434.6375901641084,
 "end_elevation_m": 1471.8447325194893,
 "endpoint_gain_m": 37.20714235538094,
 "overall_gradient_pct": 17.56097533733324,
 "accumulated_ascent_m": 37.21979038851646,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 28.86996076686046,
   "start_distance_m": 181.0,
   "end_distance_m": 186.0,
   "midpoint_distance_m": 183.5,
   "start_elevation_m": 1463.2712363525666,
   "end_elevation_m": 1464.7147343909096,
   "start_xy": [
    981621.1040721992,
    6433826.670450236
   ],
   "end_xy": [
    981621.135960936,
    6433831.6125555895
   ]
  },
  "max_10m": {
   "gradient_pct": 26.831520469252155,
   "start_distance_m": 182.0,
   "end_distance_m": 192.0,
   "midpoint_distance_m": 187.0,
   "start_elevation_m": 1463.5436870881322,
   "end_elevation_m": 1466.2268391350574,
   "start_xy": [
    981621.1477386514,
    6433827.669496401
   ],
   "end_xy": [
    981617.753802063,
    6433836.568461294
   ]
  },
  "max_20m": {
   "gradient_pct": 23.243755159152215,
   "start_distance_m": 153.0,
   "end_distance_m": 173.0,
   "midpoint_distance_m": 163.0,
   "start_elevation_m": 1457.458704027614,
   "end_elevation_m": 1462.1074550594444,
   "start_xy": [
    981620.5150827868,
    6433800.132450733
   ],
   "end_xy": [
    981619.2236943787,
    6433819.041948562
   ]
  },
  "max_25m": {
   "gradient_pct": 22.82770592509587,
   "start_distance_m": 149.0,
   "end_distance_m": 174.0,
   "midpoint_distance_m": 161.5,
   "start_elevation_m": 1456.6178014163013,
   "end_elevation_m": 1462.3247278975753,
   "start_xy": [
    981622.0636658631,
    6433796.444856219
   ],
   "end_xy": [
    981619.634175104,
    6433819.953817837
   ]
  },
  "max_50m": {
   "gradient_pct": 22.098133530786072,
   "start_distance_m": 145.0,
   "end_distance_m": 195.0,
   "midpoint_distance_m": 170.0,
   "start_elevation_m": 1455.8293869172262,
   "end_elevation_m": 1466.8784536826192,
   "start_xy": [
    981623.589460495,
    6433792.747296113
   ],
   "end_xy": [
    981616.0627226265,
    6433839.046414147
   ]
  },
  "max_100m": {
   "gradient_pct": 20.718006242464753,
   "start_distance_m": 94.0,
   "end_distance_m": 194.0,
   "midpoint_distance_m": 144.0,
   "start_elevation_m": 1445.9664736718864,
   "end_elevation_m": 1466.6844799143512,
   "start_xy": [
    981612.3932517773,
    6433743.194256987
   ],
   "end_xy": [
    981616.626415772,
    6433838.220429863
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 1.206017781682931,
   "start_distance_m": 29.0,
   "end_distance_m": 34.0,
   "midpoint_distance_m": 31.5,
   "start_elevation_m": 1435.8078838606893,
   "end_elevation_m": 1435.8681847497735,
   "start_xy": [
    981625.1259592999,
    6433687.91612059
   ],
   "end_xy": [
    981620.6509349208,
    6433688.955622618
   ]
  },
  "min_10m": {
   "gradient_pct": 2.37222035840432,
   "start_distance_m": 24.0,
   "end_distance_m": 34.0,
   "midpoint_distance_m": 29.0,
   "start_elevation_m": 1435.630962713933,
   "end_elevation_m": 1435.8681847497735,
   "start_xy": [
    981629.933501241,
    6433686.694063927
   ],
   "end_xy": [
    981620.6509349208,
    6433688.955622618
   ]
  },
  "min_20m": {
   "gradient_pct": 3.166309576442927,
   "start_distance_m": 14.0,
   "end_distance_m": 34.0,
   "midpoint_distance_m": 24.0,
   "start_elevation_m": 1435.234922834485,
   "end_elevation_m": 1435.8681847497735,
   "start_xy": [
    981639.3182923907,
    6433683.240703958
   ],
   "end_xy": [
    981620.6509349208,
    6433688.955622618
   ]
  },
  "min_25m": {
   "gradient_pct": 3.2559039493617092,
   "start_distance_m": 9.0,
   "end_distance_m": 34.0,
   "midpoint_distance_m": 21.5,
   "start_elevation_m": 1435.054208762433,
   "end_elevation_m": 1435.8681847497735,
   "start_xy": [
    981644.0106879654,
    6433681.514023973
   ],
   "end_xy": [
    981620.6509349208,
    6433688.955622618
   ]
  },
  "min_50m": {
   "gradient_pct": 6.759322058554972,
   "start_distance_m": 0.0,
   "end_distance_m": 50.0,
   "midpoint_distance_m": 25.0,
   "start_elevation_m": 1434.6375901641084,
   "end_elevation_m": 1438.0172511933858,
   "start_xy": [
    981652.457,
    6433678.406
   ],
   "end_xy": [
    981610.7452369895,
    6433701.198329581
   ]
  },
  "min_100m": {
   "gradient_pct": 12.469289480544376,
   "start_distance_m": 0.0,
   "end_distance_m": 100.0,
   "midpoint_distance_m": 50.0,
   "start_elevation_m": 1434.6375901641084,
   "end_elevation_m": 1447.1068796446527,
   "start_xy": [
    981652.457,
    6433678.406
   ],
   "end_xy": [
    981613.5964100868,
    6433749.072386799
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 31.296637590287446,
   "start_distance_m": 182.0,
   "end_distance_m": 184.0,
   "midpoint_distance_m": 183.0,
   "start_elevation_m": 1463.5436870881322,
   "end_elevation_m": 1464.169619839938,
   "start_xy": [
    981621.1477386514,
    6433827.669496401
   ],
   "end_xy": [
    981621.2350715555,
    6433829.667588733
   ]
  },
  "max_3m": {
   "gradient_pct": 30.282123694496477,
   "start_distance_m": 182.0,
   "end_distance_m": 185.0,
   "midpoint_distance_m": 183.5,
   "start_elevation_m": 1463.5436870881322,
   "end_elevation_m": 1464.452150798967,
   "start_xy": [
    981621.1477386514,
    6433827.669496401
   ],
   "end_xy": [
    981621.2787380075,
    6433830.666634899
   ]
  }
 },
 "diagnostic_note": "Windows <=3 m are at raster-noise scale (1-sigma raster noise alone is roughly +/-7 pp at 2 m and +/-5 pp at 3 m on a 1 m DTM). Diagnostic use only: never a headline or ranking value.",
 "quality_summary": {
  "structure_suppression": {
   "masked_fraction": 0.042,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0,
    50.0,
    100.0
   ],
   "windows_unresolved": []
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.07,
   "obstruction_max_height_m": 10.71,
   "flagged_windows_m": [
    10,
    50,
    100
   ]
  },
  "excluded_ranges_m": [
   [
    198.0,
    206.0
   ]
  ],
  "review": [],
  "extent": [
   "may_continue_beyond_end"
  ]
 },
 "provenance": {
  "analysis_version": "0.1.0",
  "sample_interval_m": 1.0,
  "interpolation": "bilinear",
  "smoothing": "none",
  "gradient_windows_m": [
   5.0,
   10.0,
   20.0,
   25.0,
   50.0,
   100.0
  ],
  "diagnostic_windows_m": [
   2.0,
   3.0
  ],
  "elevation_crs": "EPSG:2154",
  "elevation_resolution_m": 0.5,
  "elevation_tiles": [
   "data/cache/fr/ign-lidarhd_dtm_E981-N6433_0m5.tif"
  ],
  "calculated_at": "2026-09-17T02:21:34+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/block-batch-fr-alps4.osm.pbf",
  "osm_snapshot": "",
  "run_id": "fr-alps4",
  "elevation_provider": "IGN LiDAR HD MNT 0.5 m",
  "elevation_licence": "Licence Ouverte / Open Licence 2.0 (Etalab) \u2014 \u00a9 IGN, LiDAR HD (MNT/MNS), data.geopf.fr; reproduction autoris\u00e9e avec mention de la source et de la date",
  "elevation_dataset": "LiDAR HD \u2014 MNT (sol) et MNS (surface), 0,50 m (Institut national de l'information g\u00e9ographique et foresti\u00e8re), RGF93 / Lambert-93 EPSG:2154, altitudes IGN69",
  "elevation_vertical_datum": "IGN69",
  "elevation_tile_ids": [
   "E981-N6433"
  ],
  "elevation_blocks": [
   "21LHD6QM@2025-02-20"
  ],
  "ign_dalles": [
   "LHD_FXX_0981_6434_MNT_O_0M50_LAMB93_IGN69"
  ],
  "ign_missions": [
   "21LHD6QM"
  ],
  "ign_editions": [
   "2025-02-20"
  ],
  "ign_dsm_edition": {
   "LHD_FXX_0981_6434_MNT_O_0M50_LAMB93_IGN69": "2025-02-20"
  },
  "climb_origin": "discovered",
  "structure_own_ways": "none \u2014 the route carried no way list; own decks unmasked",
  "carriageway": {
   "stations": 15,
   "stations_resolved": 15,
   "width_median_m": 6.0,
   "width_p10_m": 3.75,
   "width_min_m": 3.25,
   "width_max_m": 10.75,
   "bounded_share": 0.333,
   "unbounded_share": 0.667,
   "confidence_median": 0.0,
   "width_median_bounded_m": 4.0,
   "window_m": [
    149.0,
    174.0
   ],
   "width_at_max25_m": 4.0,
   "window_stations": 7,
   "single_track": false,
   "single_track_rule": "PROVISIONAL (2026-09-15): width_p10_m <= 3.0 m with bounded_share >= 0.6; recorded, not a rule",
   "status": "ok",
   "source": "dtm",
   "station_m": 25.0,
   "window_station_m": 5.0,
   "halfwidth_m": 6.0,
   "step_m": 0.25,
   "level_tol_m": 0.12,
   "break_min_m": 0.3,
   "stations_failed": 0,
   "hedge_to_hedge": {
    "stations": 15,
    "stations_resolved": 15,
    "width_median_m": 2.75,
    "width_p10_m": 1.1,
    "width_min_m": 1.0,
    "width_max_m": 10.25,
    "bounded_share": 0.867,
    "unbounded_share": 0.133,
    "confidence_median": 1.0,
    "width_median_bounded_m": 2.25,
    "window_m": [
     149.0,
     174.0
    ],
    "width_at_max25_m": 1.5,
    "window_stations": 7,
    "status": "ok",
    "source": "dsm",
    "station_m": 25.0,
    "window_station_m": 5.0,
    "halfwidth_m": 6.0,
    "step_m": 0.25,
    "level_tol_m": 0.5,
    "break_min_m": 0.3,
    "stations_failed": 0
   }
  },
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "La Salle-les-Alpes",
  "county": "Hautes-Alpes",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}